brunson target holders & accessories catalog

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ContentsFor 1.5" SMR

11 1.5THDNDrift Nest 12 1.5THEDN

Economy Drift Nest

13 1.5THNDNNegative Drift Nest 14 1.5TH

Various shank sizes

15 1.5THSBFor slotted bushings 16 1.5THS

For inside corners

171.5THSC

Self centers onvarious hole diameters

18 1.5THEFor outside corners

19 1.5THLEFor outside corners 20 1.5THF

Floor mount

211.5THR-TLFor permanent

reference22 1.5THT

Tripod mount

23 1.5THWWeld-on adapter 24

1.5THWBWeld-on adapter with

button base

25 1.5THCPCenter punch adapter 26

1.5THMFFits in mini floor

mount

6

ContentsFor 1.5" SMR (continued)

27 1.5INVInvar mount 28 THMF

Mini floor mount

29 1.5THPPole adapter 30 1.5TH-M

Various shank sizes

311.5THF-C

Compression floor mount

For 0.875" SMR

32 0.875THDNDrift nest 33 0.875TH

Various shank sizes

34 0.875THSFor inside corners 35

0.875THSCSelf centers on

various hole diameters

36 0.875THFFloor mount 37 1.5ADP-.875

SMR Converter

7

ContentsFor 0.5" SMR

38 0.5THDNDrift nest 39 0.5THDN-T

Drift nest

40 0.5THVarious shank sizes 41

0.5THSFor surfaces and inside corners

420.5THSC

Self centers on various hole diameters

43 0.5THEFor outside corners

440.5THE-M

For outside corners - has magnetic

base

45 1.5ADP-.5SMR Converter

46 0.5THWWeld-on adapter 47 0.5THV

Vector target

480.5THMF

Fits in mini floor mount

28 THMFMini Floor Mount

490.5INV

Fits our Invar system

50 0.5TH-MHas magnetic base

8

ContentsFor Multiple Sizes

51THIP

Interchangeable Pins

Measuring Accessories

53 BXT SeriesExtension bars 55

TB SeriesConstruction tooling balls

56 BP SeriesBar points 57 THB Series

Bushings

58TBA

Tooling ball adapter

60 0.5RHSMR "Handle"

61 1.5LK-PBasic Lanyard Kit 62 1.5LK-F

Deluxe Lanyard Kit

63 1.5ADP-RPRProbe Adapters 64 0.5THC-V, -H

SMR Retainers

9

ContentsMeasuring Accessories (continued)

65 1.5THC-V, -HSMR Retainers

Target Holder Kits

66

THK-CE TARGET KIT

Tracker targeting kit

67

THK-CM KIT METRIC


68

THK-1.5E TARGET KIT


69

THK-1.5M TARGET KIT

METRICTracker

targeting kit

70

THK-0.5E TARGET KIT


71

THK-0.5M TARGET KIT

METRICTracker

targeting kit

Scale Bars

72

1.5LTE-1000MM

Low Thermal Expansion Scale Bar

741.5LRB

Length Reference Bar

10

1.5THDN Drift Nest

Put temporary targets on just about anything The 1.5THDN, or drift nest (sometimes called a "hockey puck"), provides a temporary, magnetic SMR adapter in almost any location and on almost any surface. The back of this adapter is flat. Note that the magnet holds the SMR in place but does not hold the adapter in its location. Use any general adhesive (we often use a hot glue gun) to attach these adapters temporarily to machine tools, concrete floors and pillars, posts, stands, or just about anything else that is available. When you're finished, remove the adapter and you're on your way to your next assignment. Works with a 1.5" diameter SMR. You may wish to look at similar product 1.5THEDN, our "economy" drift nest.

Specifications

Adapter size: 1.600" (40.6mm) diameter by 0.5" (12.7mm) high

Distance to Center of SMR: Approx. 1.125" (28.6mm) above base of the adapter

Material: Aluminum

Finish: Hard anodized (black)

May be used with...

Any 1.5" diameter SMR

11

1.5THEDN "Economy" Drift Nest

Put temporary targets on just about anything The 1.5THEDN is our economy drift nest - a less expensive alternative to the 1.5THDN. It provides a temporary, magnetic SMR adapter in almost any location and on almost any surface. The back of this adapter is flat. Note that the magnet holds the SMR in place but does not hold the adapter in its location. Use any general adhesive (e.g., a hot glue gun) to attach these adapters temporarily to machine tools, concrete floors and pillars, posts, stands, or just about anything else that is available. When you're finished, remove the adapter and you're on your way to your next assignment. The 1.5THEDN is different from its classier big brother in that it has no anodized finish.

Works with a 1.5" diameter SMR.

Specifications

Adapter size: 1.6" (40.6mm) diameter by 0.5" (12.7mm) high Distance to Center of SMR: Approx. 1.125" (28.6mm) above base of the adapter

Material: Aluminum

Finish: None

May be used with...


12

1.5THNDN "Negative" Drift Nest

For the down-low all the way around The 1.5THNDN is a drift nest with a negative viewing angle all the way around. It will allow you to tip the SMR down to achieve a viewing angle as low as -21°. The 1.5THNDN provides axial rotation of the SMR through 360°.

The drift nest (sometimes called a "hockey puck"), provides a temporary, magnetic SMR adapter in almost any location and on almost any surface. The back of this adapter is flat. The magnet is intended to hold the SMR in place but does not hold the adapter in its location.

Use any general adhesive (we often use a hot glue gun) to attach these adapters temporarily to machine tools, concrete floors and pillars, posts, stands, or just about anything else that is available. To aid in removal, use a flat bladed screwdriver in the pry slot provided on the bottom. Works with a 1.5" diameter SMR. You may wish to look at our other drift nests, 1.5THDN or the 1.5THEDN.

Specifications

Adapter size: Main body is 1.6" (40.6mm) diameter by 0.44" (11.2mm) thick

Distance to Center of SMR: Approx. 1.125" above base of the adapter

Material: Aluminum


May be used with...


13

1.5TH Series SMR Adapters

For use with 1.5" SMR The 1.5TH Series magnetic adapters provide an SMR nest which mounts in holes having a diameter of 1/8" - 5/8" or 4mm to 15mm. Shank diameters are held to close tolerances (−0.0001" to −0.0005") for precision slip fits. The adapter holds the centerpoint of a 1.5" diameter SMR 1.000" (or 25mm) above the surface of the part and on centerline of the shank to a tolerance of ±0.0005" (0.013mm). The SMR seats on a 3-point conical land and is held in place by a magnet. An optical alley allows the SMR to be rotated down for a lower shooting angle. Construct the desired part number using the information below, or make up your own - we don't have room to show all possible sizes!

Part Number Construction:

Shaft dia. B Shaft dia. B

0.100" .1 4mm 4MM 1/8" .125 5mm 5MM 3/16" .1875 6mm 6MM 1/4" .25 7mm 7MM 5/16" .3125 8mm 8MM 3/8" .375 9mm 9MM 7/16" .4375 10mm 10MM 1/2" .5 11mm 11MM 9/16" .5625 12mm 12MM 5/8" .625 13mm 13MM 3/4" .75 14mm 14MM 7/8" .875 15mm 15MM 1" 1

Offset A

1.000" 125 mm 25MM

Choose an "A" value above, and pair with desired "B" value (at right) to create the item number for the product that you want. E.g., 1.5TH-1-.375

Specifications Adapter dia: 1.6"

Material: Stainless steel

Shank diameter tolerance: −0.0001" to −0.0005" (−0.003mm to −0.013mm)

Offset tolerance: ±0.0005" (±0.013mm)

Target centering tolerance: ±0.0005" (±0.013mm)

Hardness: HRC 42-45


May be used with...

14

1.5THSB Series Diamond Shank Adapters

For slotted bushings The 1.5THSB "diamond shank" adapter provides an SMR nest for use with slotted bushings found in many fixtures and parts. The cross section of the shank on these adapters is a circle with two flattened sides (see sketch below).

The center of a 1.5" SMR is held precisely 1.000" (English unit version) or 25mm (metric unit version) from the surface of the part. It seats on a 3-point conical land and is held in place firmly by a magnet.

Customers may specify any combination of sizes for shank diameter and flat-to-flat width (see table below).

Specifications Target centering: ±0.0005" (±0.013mm) Offset tolerance: ±0.0005" (±0.013mm) Shank diameter tolerance: −0.0001", −0.0005" (+0.003mm, −0.013mm)

Flat-to-flat shank width tolerance: −0.0001", −0.0005" (+0.003mm, −0.013mm) Material: Stainless steel Hardness: HRC 42-45

May be used with...


Construct your desired part number using the legend and table above. Contact us with your specific requirements for shank diameter and flat-to-flat shank width.

Part Number Construction

Offset A 1.000" 125 mm 25MM

Shank dia. "B"

Customer specify, in English or metric units, max dia. 0.625" (15.76mm)

Shank width "C"

Customer specify, in English or metric units

15

1.5THS Series Corner Adapter

Backed into a corner? The 1.5THS magnetic adapter provides an SMR nest which fits into any corner and puts a 1.5" diameter SMR exactly 0.800" away from the rising surface, within ±0.0005". It also holds the centerpoint of the SMR 1.000" (or 25mm for the metric version) ±0.0005" above the base surface. A chamfer on the bottom side of this adapter provides a relief for any fillets or various strange things happening at the junction between the surfaces of the object being measured. The SMR seats on a 3-point conical land. An optical alley allows the SMR to be rotated down further for a lower shooting angle. Use the table below to find the item number for the desired target offset.

Offset "A" Item number

1.000" 1.5THS-1

25mm 1.5THS-25MM

Specifications

Adapter size: 1.6" diameter x 0.404" - 0.420" high (40.64mm dia. x 10.3 - 10.7mm high) Tolerance, offset dimension "A": ±0.0005" (0.013mm) above the base surface.

Tolerance, center of SMR to edge of adapter: ±0.0005" (0.013mm) away from rising surface. Material: Stainless steel Hardness: HRC 42-45

May be used with...


16

1.5THSC Self-Centering SMR Adapters

Conical plunger centers itself on multiple diameters The 1.5THSC magnetic adapter is used to gather quick data points over a range of hole sizes using a single adapter. The secret? A spring-loaded, cone-shaped, locating plunger (illustration below). This adapter will locate on hole sizes 0.100" to 0.625" (2.5mm to 16mm). Keep in mind that we can also make these adapters to fit other hole diameters on request. Three strong magnets on the bottom keep the adapter squarely on any ferrous surface, and counteract the spring-loaded force of the plunger. The adapter is reliable and repeatable. A knurl around the outer perimeter assists in removal after measuring is finished. The adapter holds the centerpoint of a 1.5" diameter SMR 2.000" (or 50mm for the metric version) above the surface of the part and on centerline of the hole to a tolerance of ±0.0005" (±0.013mm). The SMR seats on a 3-point conical land and is held in place by a magnet.

Model No. Offset "A"

English 1.5THSC-2 2.000"Metric 1.5THSC-50MM 50mm



Fits hole sizes: 0.100" - 0.625" (2.5mm - 16mm)

Offset tolerance: ±0.0005" (±0.013mm) Target centering tolerance: ±0.0005" (±0.013mm)

Hardness: HRC 42-45

Any 1.5" diameter SMR 1.5LK-F Deluxe Lanyard Kit

May be used with...

17

1.5THE Series Edge Adapter

Pushing it right to the edge? The 1.5THE magnetic adapter provides an SMR nest which locates an edge within ±0.0005". It also holds the centerpoint of a 1.5" diameter SMR precisely 1.000" or 25mm above the surface of the part being measured. The SMR seats on a 3-point conical land.

Choose the desired model number from the table below, which shows both the English and metric versions of this adapter.

Model Offset "A" Tolerance

1.5THE-1 1.000" ±0.0005" 1.5THE-25MM 25mm ±0.013mm

Specifications Adapter size: 1.6" diameter x 0.63" high Material: Stainless steel

Hardness: HRC 42-45

May be used with...


18

1.5THLE Series Large Edge Adapter

A More Balanced Approach to Edge Detection The 1.5THLE magnetic adapter locates a 1.5" diameter SMR directly over an outside corner of two intersecting surfaces within ±0.0005". It also holds the centerpoint of the SMR precisely 1.000" or 25mm (depending upon model selected) above the surface of the part being measured. The SMR seats on a 3-point conical land. This adapter is designed for proper balance to allow hands free use.



1.5THLE-1 1.000" ±0.0005" 1.5THLE-25MM 25mm ±0.013mm

Specifications Adapter size: 2.5" (63.5mm) diameter Offset "A" tolerance: ±0.0005" (±0.013mm) Target centering tolerance: ±0.0005 (±0.013mm)

Material: Stainless steel, machine finish Hardness: HRC 42-45

May be used with...


19

1.5THF Floor Mount Adapter

Install permanent monuments in the floor

The 1.5THF floor target mount provides for a permanent target location in the floor or wall. Following initial installation, it may be surveyed for its final position. This gives you the ability to quickly re-establish coordinate systems in the future by providing known, permanent reference points. They may also be used without an initial survey to provide permanent coordinate system transfer points. Or use them to monitor the movement of foundations over time by checking for deviation from originally mapped coordinates.

The 1.5THF is meant to be grouted or epoxied permanently into holes which have been drilled in concrete floors or walls, so that the top is flush with the surface of the floor or wall. An aggressive knurl around the circumference as well as a large concave groove give this target mount lots of holding power in the surrounding grout. The cap has an O-ring seal to keep the target mount surfaces out of danger and free of debris. The 1.5THF assembly may be attached to a customer-provided positioning jig while being grouting in place, via the M6 threaded hole on top of the lid. In

this way, the 1.5THF can be easily positioned so that the top is flush with the floor or wall, and in the desired position. A flat or straight-bladed screw driver allows easy removal of the lid.

The 1.5" SMR seats on a 3-point conical land and is held firmly in place by a ring magnet.

SpecificationsAdapter size: 1.6" (40.6mm) diameter x 1.5" (38.1mm) high


Hardness: HRC 42-45

May be used with...


20

1.5THR-TL Reference Target Mounts

For permanently mounted reference systemsAre you building or adding to a permanently mounted reference system? The 1.5THR-TL is made exactly for that purpose - establishing permanent target points on jigs, fixtures, tools, and machinery. Use 1/4" bolts through the two counterbored holes in the base to provide secure mounting. Then, two other 15/64th holes act as drill guides for placement of owels. Once the 1.5THR-TL is bolted down, use a 15/64ths drill through these guide holes into the substrate, ream to 1/4", and insert dowels for a permanent fix on the target's position.

A lid is included to keep out dust and dirt when not in use, held in place by two up-facing magnets on the top face of the nest. The lid overhangs the base slightly to aid in removal. A non-tethered version (one without the beaded chain) of the same product is available by specifying model number 1.5THR.

Specifications

Mounting holes: 0.266" (6.76mm) diameter, counterbored to 0.438" (11.13mm) dia., 0.250" (6.35mm) deep, on 1.750" (44.45mm) centers

Doweling holes: 0.235" (5.97mm) dia. through, on 1.750" (44.45mm) centers

Lid diameter: 2.250" (57.2mm)

Base and Lid Material: Stainless steel

Hardness: HRC 42-45

May be used with...


21

1.5THT Tripod Mount

For tripod or other temporary base mounting

The 1.5THT adapter holds a 1.5" diameter SMR and may be mounted on a customer-supplied base unit using one of two different stud sizes, depending upon the model ordered. The bottom side of the 1.5THT contains an internal thread for securing this item to a base unit. Both available models (see table below) have a 5/8"−11 internal thread which fits surveyor's tripods or other instrument adapters. However, the model 1.5THT-.25-20 is supplied with a locking threaded insert to allow the unit to be used with camera tripods or other mounts having a 1/4"−20 thread. A 1/4" hole on the side is provided to assist in removal of the adapter if needed. The SMR seats on a 3-point conical land and is held in place by a nickel-plated Neodymium magnet.

Model Mounting hole size1.5THT-.25-20 1/4"-201.5THT-.625-11 5/8"-11

Specifications

Adapter size: 1.6" diameter x 1.5" high (40.64mm dia. x 38.1mm high)

Effective Height (height from base to center of SMR): Approx. 2.07" (52.6mm) above base of the adapter


May be used with...


22

1.5THW Weld-on SMR Adapters

Weld-on adapters for permanent fixture useThe 1.5THW magnetic adapter is meant to be welded permanently in place on any customer fixture. A substantial chamfer around the bottom edge makes for a nicer weld. This item is available in a variety of materials, and is nothardened like most of our other adapters. Place it on your fixture in any desired location, add a few weld tacks around the perimeter, and you have a permanent SMR reference. Think of it as a non-drifting drift nest.

The adapter holds the centerpoint of a 1.5" diameter SMR 1" above the surface of the part, although this dimension is not critically controlled because this adapter is simply meant to establish a permanent reference point. The SMR locates on a three-point conical land.

The magnets are provided (one per adapter) but not installed. This is so that you can heat treat the entire fixture after all adapters are welded on (if desired) without affecting the magnetism of the magnets. When ready, the magnets may be installed in the magnet well. We recommend securing the magnets using an adhesive for extra security. Of course, this is mandatory for 1.5THW products constructed from non-magnetic materials. (Hint: don't do this until you are finished with your processing - sometimes they're very hard to get back out!) See our related 1.5THWB, which is the same item with a button base for locating the adapter.

Construct the desired part number using the table below, indicating desired material. Please note that other materials are available upon request.


Material A

6061 Aluminum 6061

7075 Aluminum 7075

1144 Steel 1144

17-4 Stainless 174

303 Stainless 303

Specifications

Adapter dia: 1.6" Material: See table above.Any 1.5" diameter SMR

May be used with...

23

1.5THWB Series SMR Adapters

Weld-on adapters for permanent fixture useThe 1.5THWB Series magnetic adapters are meant to be welded permanently in place on any customer fixture. The button base (available in a variety of diameters) gives you an excellent locating reference. A substantial chamfer around the bottom edge makes for a nicer weld. This item is not hardened like most of our other adapters, and is available in a variety of materials. Install it on your fixture in a matching size hole, add a few weld tacks around the perimeter, and you have a permanent SMR reference. It's sort of a non-drifting drift nest.

The adapter holds the centerpoint of a 1.5" diameter SMR 1" above the surface of the part, although this dimension is not critically controlled because this weld-on adapter is simply meant to establish a permanent reference point. The SMR locates on a 3-point conical land.

The magnets are provided (one per adapter) but not installed. This is so that you can heat treat the entire fixture after all adapters are welded on (if desired) without affecting the magnetism of the magnets. When ready, the magnets may be installed in the magnet well. We recommend securing the magnets using an adhesive for extra security. Of course, this is mandatory for 1.5THWB products constructed from non-magnetic materials. (Hint: don't do this until you are finished with your processing - sometimes they're very hard to get back out!) See our related 1.5THW, which is the same thing without the button locator.

Construct the desired part number using the table below, indicating desired material "A" and button diameter "B". Please note that other materials and button diameters are available upon request.


Material A

6061 Aluminum 6061

7075 Aluminum 7075

1144 Steel 1144

17-4 Stainless 174

303 Stainless 303

Button dia. B Button

dia. B

1/4" .250 5mm 5MM

1/2" .5 10mm 10MM

3/4" .75 15mm 15MM

1" 1 20mm 20MM

25mm 25MM

Specifications

Adapter dia: 1.6"

Button thickness:0.250" (6.35mm)

Material: See table above

Button dia. tolerance: +0.000", −0.005" (+0.00mm, −0.13mm)


May be used with...

24

1.5THCP Series Center Punch

Put a punch mark directly below your SMR locationThe 1.5THCP magnetic adapter is an SMR nest which doubles as a transfer punch locator, allowing you to mark a point directly under the SMR. The magnet in the 1.5THCP is positioned to create a somewhat stronger bond on the bottom than on the top. This offset-magnet approach helps to hold the adapter in place while the SMR is removed and the transfer punch is inserted through the precision center hole. The center hole is true to the center of the SMR within ±0.0005" (±0.013mm). An optical alley is provided to allow negative viewing angles, and step edges allow for a better grip. The transfer punch is included.

Choose the desired model number (English or metric version) from the table below.

Model Offset "A" Tolerance1.5THCP-1.15 1.15" ±0.0005"1.5THCP-29MM 29mm ±0.013mm

Specifications

Adapter size: 1.6" (40.6mm) diameter

Offset "A" tolerance: ±0.0005" (±0.013mm)

Target centering tolerance:±0.0005"(±0.013mm)

Material: Stainless steel, machine finish

Hardness: HRC 42-45

May be used with...

Any 1.5" diameter SMR Transfer Punch 15344 (included)

25

1.5THMF SMR Adapter

1.5" Adapter for THMF Floor Mount The 1.5THMF adapter is designed to work with the THMF mini floor-mount base, giving you a permanent target location in the floor or wall. Following initial installation of the THMF base unit, this adapter may be installed and surveyed for its actual coordinates using a 1.5" SMR. The adapter may be removed and reinstalled in the base, maintaining target position tolerance. Therefore you can quickly re-establish coordinate systems in the future by providing known, permanent reference points. This system may also be used without an initial survey to provide permanent coordinate system transfer points. Or, use them to monitor the movement of foundations or other features over time by checking for deviation from originally mapped coordinates.

An aggressive knurl around the circumference of the adapter assists with easy installation and removal from the THMF base. The adapter also has two blind holes which fit a 15130 spanner (purchased separately), if you need a little extra torque to remove it. The 1/4" shank with internal 6-32 tapped hole mates securely with the base unit, positively locking the adapter in place. The 1.5" SMR seats on a 3-point conical land and is held firmly in place by a magnet.

The 15130 spanner wrench (not included) allows for easy removal of the 1.5THMF adapter from the THMF base if needed.

Specifications

Adapter dia.: 1.6" (40.6mm) Offset: 1.1250 ±0.0005" (±0.013mm)

Material: Stainless steel, machine finish Hardness: HRC 42-45

Target Centering Tolerance: ±0.0005"

May be used with...

Any 1.5" diameter SMR THMF Floor Mount

26

1.5INV Series SMR Adapter

Use an SMR target with your Invar System The 1.5INV Series magnetic adapters provide an SMR nest which fits on any of our Invar System bars. With both English and metric versions available, the centerpoint of a 1.5" diameter SMR may be held either 1.000" or 25mm away from the interface surface between the adapter and the Invar bar. The SMR seats on a 3-point conical land and is held in place by a strong magnet. The discontinuous three point mounting system gives extra room for the SMR to be tilted further away from the bar's main axis, giving additional mounting flexibility. The adapter's threaded mount is 3/8"-24 for compatibility with our Invar system.


Model Offset Tolerance

1.5INV-1 1.000" ±0.0005"1.5INV-25MM 25mm ±0.013mm

Specifications Material: Stainless steel Hardness: HRC 42-45

May be used with...

Any 1.5" diameter SMR Our Invar System tubing

27

THMF Mini Floor Mount Adapter

Permanent Reference Solution

The THMF is a flexible solution for installing permanent reference target mounts in your facility's floors or walls. Small in size, it provides a secure base which can hold either 1.5" or 0.5" SMR target adapters.

The THMF's knurled circumference and concave grooves give extra gripping power for gluing into place with epoxy or other grouting adhesives. The cap is outfitted with a straight blade screwdriver slot as well as an O-ring to seal out debris when not in use. The base of the THMF has a 6-32 machine screw located axially in the center of the bottom which is used to secure the cap as well as the target adapters. The THMF provides several advantages over other floor mount adapters. It is only 1" tall and 0.75" in diameter. It provides a mounting base for the 1.5THMF target adapter (for a 1.5" SMR), or the 0.5THMF target adapter (for a 0.5" SMR). You may also wish to order part number 15478 (below right) to hold the THMF in place during installation, assuring flushness and perpendicularity with the mounting surface. The installation plate is secured to the THMF using one of the target adapters (see image below left) while the adhesive cures.

Specifications

Adapter size: 0.75" (19.05mm) dia. x 1" (25.4mm) high

Material: Stainless steel Hardness: HRC 42-45

Any 1.5" dia. SMR with 1.5THMF adapter Any 0.5" dia. SMR with .5THMF adapter Any TB Series tooling ball with 1/4" shank

May be used with...

28

1.5THP Pole Adapter

Reach higher and farther with an SMR pole adapter

1.5LK-P Basic Lanyard kit 1.5LK-F Deluxe Lanyard Kit Any 1.5" diameter SMR

The 1.5THP pole adapter is handy when you need to measure something that is either too high or too far away to reach without assistance.

Drilled and tapped with an internal 3/4”-5 acme thread, the 1.5THP attaches easily to most standard paint roller poles or detachable broom sticks. A 1.5" SMR seats on a conical land and is held firmly in place by a magnet.

The 1.5THP has a connector which fits either of our lanyard kits. Use a lanyard kit (sold separately) to tether your SMR to the pole adapter and prevent it from falling.

At left: The 1.5THP with a 1.5" SMR and the 1.5LK-P lanyard kit.

Specifications

Weight: 0.37 lbs (0.17kg)

Adapter size: 1.00" (25.4mm) x 3.00" (76.2mm)

Material: Stainless Steel

May be used with...

29

1.5TH-M Series Magnetic Base SMR Adapters

For a more secure hold The 1.5TH-M Series magnetic adapters provide all of the features of our 1.5TH Series, with the addition of three magnets on the bottom surface of the adapter. These magnets provide a holding force if the adapter is placed in a hole in a ferrous material. The SMR seats on a 3-point conical land and is held in place by a magnet. An optical alley allows the SMR to be rotated down for a lower shooting angle. Various diameters and offsets are available - see tables below to construct the part number for the item you want.


Shaft dia. B Shaft dia. B

0.100" .1 4mm 4MM 1/8" .125 5mm 5MM 3/16" .1875 6mm 6MM 1/4" .25 7mm 7MM 5/16" .3125 8mm 8MM 3/8" .375 9mm 9MM 7/16" .4375 10mm 10MM 1/2" .5 11mm 11MM 9/16" .5625 12mm 12MM 5/8" .625 13mm 13MM 3/4" .75 14mm 14MM 7/8" .875 15mm 15MM 1" 1

Offset A

1.000" 125 mm 25MM

Choose an "A" value above, and pair with desired "B" value (at right) to create the item number for the product that you want. E.g.,1.5TH-M-1-.375





Target centering tolerance: ±0.0005" (±0.013mm)

Hardness: HRC 42-45


May be used with...

30

1.5THF-C Compression Floor Mount Adapter

Install permanent floor mounts in minutes with no adhesive

The 1.5THF-C Compression Floor Mount Adapter gives you an easy way to put a permanent target location in the floor or wall without using epoxies or other adhesives. Once installed, it may be immediately surveyed for its position. Establishing known, permanent reference points in this manner gives you the ability to quickly re-establish coordinate systems in the future. It may also be used without an initial survey to provide permanent coordinate system transfer points. Or, use them to monitor the movement of foundations over time by checking for deviation from originally mapped coordinates.

Install the 1.5THF-C into a 1.38" x 1.9" (35mm x 48mm) hole that is drilled in a concrete floor or wall (pictured top left). The top will be flush with the surface of the floor or wall.

Drop the corrosion-proof steel mount into the hole and drive the brass expansion sleeve into place around it using the installation tool (sold separately). No alignment, no cementing. The cap has an O-ring seal to keep the target mount surfaces out of danger and free of debris. A straight-bladed screwdriver allows easy removal of the lid. A 1.5" SMR seats on a three-point conical land and is held firmly in place by a magnet.

The 1.5THF-C floor mount adapter installation tool (pictured at left) is sold separately - ask for part number 17044.

Specifications May be used with...

Material: Stainless steel, brass

Hardness: HRC 42-45 (stainless steel)

Weight: 0.7lbs (0.32kg)


31

0.875THDN Drift Nest

Put temporary targets on just about anything The 0.875THDN, or drift nest (sometimes called a "hockey puck"), provides a temporary, magnetic SMR adapter in almost any location and on almost any surface. The back of this adapter is flat. Note that the magnet holds the SMR in place but does not hold the adapter in its location. Use any general adhesive (we often use a hot glue gun) to attach these adapters temporarily to machine tools, concrete floors and pillars, posts, stands, or just about anything else that is available. When you're finished, remove the adapter and you're on your way to your next assignment. Works with a 0.875" diameter SMR.

Specifications

Adapter size: 1.181" (30mm) diameter by 0.350" (8.9mm) high

Distance to Center of SMR: Approx. 0.700" (17.8mm) above base of the adapter

Material: Aluminum


May be used with...


32

0.875TH Series SMR Adapter

For use with 0.875" diameter SMR The 0.875TH series of magnetic adapters provides an SMR nest which mounts in holes having diameters from 1/8" to 5/8" or from 4mm to 15mm. Shank diameters are held to very close tolerances for precision slip fits. The adapter holds the center point of a 0.875" diameter SMR on centerline of the shank to a tolerance of ±0.0005" (±0.013mm). The adapter also holds the center of the SMR to a known offset height at a tolerance of ±0.0005" (±0.013mm). Refer to the table below for the available offset and shank diameter combinations. Choose any "A" value from the table below (center), and pair with any "B" value (table at right, below) to create the item number for the product that you want, for example, 0.875TH-.5-12MM.

Part number construction:

*Note: For adapters having an offset of 0.500", the following "B" choices are not available: .125, .1875, 4MM, 5MM, and 6MM.

Offset A

0.500"(see note*) .51.000" 120mm 20MM

Shank dia. B Shank

dia. B

1/8" .125 4 mm 4MM3/16" .1875 5 mm 5MM1/4" .25 6 mm 6MM5/16" .3125 7 mm 7MM3/8" .375 8 mm 8MM7/16" .4375 9 mm 9MM1/2" .5 10 mm 10MM9/16" .5625 11 mm 11MM5/8" .625 12 mm 12MM

13 mm 13MM 14 mm 14MM 15 mm 15MM

Specifications

Adapter diameter: 7/8" (22.2mm) Shank diameter tolerance: −0.0001" to −0.0005" (−0.003mm to −0.013mm)



May be used with...

33

0.875THS Series Corner Adapter

For targeting an inside corner


The 0.875THS Series magnetic adapters provide an SMR nest which fits into any corner and puts a 0.875" diameter SMR exactly 0.800" away from the rising surface, within ±0.0005". It also holds the centerpoint of the SMR 1.000" ±0.0005" (or 25mm for the metric version) above the base surface. A chamfer on the bottom side of this adapter provides a relief for any fillets or various strange things happening at the junction between the surfaces of the object being measured. The SMR seats on a 3-point conical land. Use the table below to find the item number for the desired target offset.

Offset "A" Part number

1.000" 0.875THS-1

25mm 0.875THS-25MM

Specifications

Adapter size: 1.6" diameter x ~0.69" high (40.64mm dia. x ~17.5mm high) Tolerance, offset dimension "A": ±0.0005" (±0.013mm) above the base surface.

Tolerance, center of SMR to edge of adapter: ±0.0005" (±0.013mm) away from rising surface. Material: Stainless steel Hardness: HRC 42-45

May be used with...

34


Conical plunger centers itself on multiple diameters The 0.875THSC magnetic adapter is used to gather quick data points over a range of hole sizes using a single adapter. The secret is a spring-loaded, cone-shaped, locating plunger (illustration below). This adapter will locate on hole sizes 0.100" to 0.625" (2.5mm to 15.9mm). Keep in mind that we can also make these adapters to fit other hole diameters on request. Three strong magnets on the bottom keep the adapter squarely on any ferrous surface, and counteract the spring-loaded force of the plunger. The adapter is reliable and repeatable. A knurled profile around the outer perimeter assists in removal after measuring is finished. The adapter holds the centerpoint of a 0.875" diameter SMR 1.500" (or 40mm for the metric version) above the surface of the part and on centerline of the hole to a tolerance of ±0.0005" (±0.013mm). The SMR seats on a conical land and is held in place by a magnet.


English 0.875THSC-1.5 1.500"Metric 0.875THSC-40MM 40mm

Specifications Adapter dia: 1.600" (40.6mm)


Fits hole sizes: 0.100" to 0.625" (2.5mm to 15.9mm)


Hardness: HRC 42-45


May be used with...

35

0.875THF Floor Mount Adapter

Install permanent monuments in the floor The 0.875THF floor target mount provides for a permanent target location in the floor or wall. Following initial installation, it may be surveyed for its final position. This gives you the ability to quickly re-establish coordinate systems in the future by providing known, permanent reference points. They may also be used without an initial survey to provide permanent coordinate system transfer points. Or use them to monitor the movement of foundations over time by checking for deviation from originally mapped coordinates.

The 0.875THF is meant to be grouted or epoxied permanently into holes which have been drilled in concrete floors or walls, so that the top is flush with the surface of the floor or wall. An

aggressive knurl around the circumference as well as large concave grooves give this target mount lots of holding power in the surrounding grout. The cap has an O-ring seal to keep the target mount surfaces out of danger and free of debris. The 0.875THF may be attached to a customer-provided positioning jig while being grouting in place, via the M4 threaded hole on top of the lid. In this way, the 0.875THF can be easily positioned so that the top is flush with the floor or wall, and in the desired position. A flat or straight screw driver allows easy removal of the lid.

The 0.875" SMR seats on a 3-point conical land and is held firmly in place by a ring magnet.

Specifications Adapter size: 1.25" (31.75mm) diameter x 1.5" (38.1mm) high


Hardness: HRC 42-45

May be used with...


36

1.5ADP-.875 1.5" to 0.875" SMR Adapter

Put a 0.875" SMR accurately in a 1.5" nest The 1.5ADP-.875 magnetic adapter gives you the ability to simulate a 1.5" SMR while actually using a 0.875" SMR. The adapter is a partial 1.5" diameter ball, precisely machined to hold the center of a 0.875" SMR at exactly the same point in space as the center of a 1.5" SMR. This allows you to accurately measure the positions of nests and target mounts designed for 1.5" SMRs. It also allows you to use measurement routines and macros designed for use with a 1.5" SMR.

The 1.5ADP-.875 comes in handy if you are switching SMR sizes during one measurement session in order to accommodate various nest sizes on your fixture or tools. Use it to avoid performing an extra home-point calibration on laser trackers when you're already set up to use a 1.5" SMR. It's also great for use with built-in reference systems designed for 1.5" SMRs - it gives you the

0.750" offset that you need, and allows you more freedom to switch back and forth between 1.5" and .875" SMR targets. It also gives you more flexibility when using a calibration ball bar which only has adapters for 1.5" SMRs.

The centerpoint of a 0.875" diameter SMR is held precisely 0.75" or 19.05mm above the surface of the part being measured. The SMR seats on a conical land and is held in place by a magnet.

Specifications Tolerance: 0.875" SMR held to center of 1.5" diameter ball within ±0.00025" (0.006mm)

Material: 440-C Stainless steel

Hardness: HRC 56-61

May be used with...

Holds any 0.875" diameter SMR Fits in any 1.5" SMR nest

37

0.5THDN Drift Nest

Put temporary targets on just about anything The 0.5THDN drift nest provides a temporary, magnetic SMR adapter in almost any location and on almost any surface. Use any general adhesive (we often use a hot glue gun) to attach these adapters temporarily to machine tools, concrete floors and pillars, posts, stands, or just about anything else that is available. Note that the magnet is meant to secure the SMR to the adapter, but is not meant to hold the adapter to the surface on which it sits. When you're finished, remove the adapter and you're on your way to your next assignment. Works with a 0.5" diameter SMR.


Specifications

Adapter size: 0.75" diameter x 0.313" high (19.05mm dia. x 7.95mm high) Distance to center of SMR: Approx. 0.5" (12.7mm) above base of the adapter


May be used with...

38

0.5THDN-T Drift Nest

Drift nest with extra tie-down security The 0.5THDN-T drift nest provides a temporary, magnetic SMR adapter in almost any location and on almost any surface. Use any general adhesive (we often use a hot glue gun) to attach these adapters temporarily to machine tools, concrete floors and pillars, posts, stands, or just about anything else that is available. A groove cut around the perimeter of the base allows for the addition of a customer-provided tie down, if desired, for extra security (great for FOD-critical areas). Works with a 0.5" diameter SMR.


Specifications

Adapter size: 0.75" diameter x 0.313" high (19.05mm dia. x 7.95mm high) Distance to center of SMR: Approx. 0.5" (12.7mm) above base of the adapter


May be used with...

39

0.5TH Series SMR Adapters

Fits 1/8" - 3/8" and 4mm - 10mm diameter holes

The 0.5TH series of magnetic adapters provide nests (for 1/2" diameter SMRs) which mount in holes having diameters from 1/8" - 3/8", and from 4mm to 10mm. Shank diameters are held to very close tolerances for precision slip fits. The adapter holds the centerpoint of a 0.5" diameter SMR on centerline of the shank to a tolerance of ±0.0005" (0.013mm). Shank diameters are held to very close tolerances for precision slip fits. Various diameters and offsets are available - see table below for descriptions and part numbers.

Choose any "A" value from the table (below), and pair with any "B" value (below, right) to create the item number for the product that you want, for example, 0.5TH-25MM-.375.


Offset A5/16" (note*) .3125

1/2" .55/8" .6251" 1

3" 310 mm 10MM12 mm 12MM20 mm 20MM25 mm 25MM

Shank dia. B Shank dia. B0.100" .1 4 mm 4MM1/8" .125 5 mm 5MM5/32" .156 6 mm 6MM3/16" .1875 7 mm 7MM

1/4" .25 8 mm 8MM9/32" .2812 9 mm 9MM5/16" .3125 10 mm 10MM3/8" .375 12 mm 12MM

7/16" .4375 1/2" .5

*Note: For adapters having an offset of 5/16", the following "B" choices are not available: .1, .125, .156, .1875, 4MM, 5MM, and 6MM.

Specifications

Adapter dia: 1/2" (12.7mm) if shank dia. is equal to or less than 0.375" or 10mm. Otherwise, dia. is 3/4" (19.1mm).




Hardness: HRC 42-45


May be used with...

40

0.5THS Series SMR Adapters

For use with 0.5" SMR The 0.5THS Series magnetic adapter provides a nest for a 0.5" SMR and holds it exactly 0.5" ±0.0005" above the base surface. The adapter also includes a magnet on the bottom surface to allow attachment to any magnetic surface.

Standard Part Numbers:

Offset "A" Item number

0.500" 0.5THS-.5

12mm 0.5THS-12MM

25mm 0.5THS-25MM


Specifications

Adapter size: 0.5" diameter x 0.313" high (12.7mm diameter x 7.95mm high) Material: Stainless steel

Hardness: HRC 42-45

May be used with...

41


Conical plunger centers itself on multiple diameters The 0.5THSC magnetic adapter is used to gather quick data points over a range of hole sizes using a single adapter. The secret is a spring-loaded, cone-shaped, locating plunger (illustration below). This adapter will locate on hole sizes 0.100" to 0.420" (2.5mm to 10.5mm). Keep in mind that we can also make these adapters to fit other hole diameters on request. Three strong magnets on the bottom keep the adapter squarely on any ferrous surface, and counteract the spring-loaded force of the plunger. The adapter is reliable and repeatable. A grooved profile around the outer perimeter assists in removal after measuring is finished. The adapter holds the centerpoint of a 0.5" diameter SMR 1.000" (or 25mm for the metric version) above the surface of the part and on centerline of the hole to a tolerance of ±0.0005" (±0.013mm). The SMR seats on a conical land and is held in place by a magnet.


English 0.5THSC-1 1.000"Metric 0.5THSC-25MM 25mm

Specifications Adapter dia: 1.250" (31.8mm)


Fits hole sizes: 0.100" - 0.420" (2.5mm - 10.5mm)


Hardness: HRC 42-45


May be used with...

42

0.5THE Series Edge Adapter

Fits an outside corner The 0.5THE magnetic adapter provides a nest for a 0.5" SMR, locating an edge (outside corner) within ±0.0005". It also holds the centerpoint of the SMR precisely 0.500" (English version) or 12mm (metric version) above the surface of the part being measured. A relief groove at the intersection of the adapter's reference planes ensures a good fit over the outside corner of the feature you are measuring.



0.5THE-.5 0.500" ±0.0005" 0.5THE-12MM 12mm ±0.013mm

Specifications

Adapter size: 0.5" (12.7mm) diameter Material: Stainless steel

Hardness: HRC 42-45

May be used with...


43

0.5THE-M Series Edge Adapter

With magnets on mounting surfaces for hands-free use The 0.5THE-M magnetic adapter provides all the features of our 0.5THE Series adapters with the addition of two magnets; one on each of the mounting surfaces. These magnets hold the adapter firmly to the outside corner of any ferrous surface and allow for hands free work. For use with any 0.5" SMR.



0.5THE-M-.5 0.500" ±0.0005" 0.5THE-M-12MM 12mm ±0.013mm

Specifications

Adapter size: 0.5" (12.7mm) diameter Material: Stainless steel

Hardness: HRC 42-45

May be used with...


44

1.5ADP-.5 1.5" to 0.5" SMR Adapter

Put a 0.5" SMR accurately in a 1.5" nest The 1.5ADP-.5 magnetic adapter gives you the ability to simulate a 1.5" SMR while actually using a 0.5" SMR. The adapter is a partial 1.5" diameter ball, precisely machined to hold the center of a 0.5" SMR at exactly the same point in space as a 1.5" SMR. This allows you to accurately measure the locations of nests and target mounts designed for 1.5" SMRs. It also allows you to use measurement routines and macros designed for use with a 1.5" SMR.

The 1.5ADP-.5 comes in handy if you are switching SMR sizes during one measurement session in order to accommodate various nest sizes on your fixture or tools. Use it to avoid performing an extra home-point calibration on laser trackers when you're already set up to use a 1.5" SMR. It's also great for use with built-in

reference systems designed for 1.5" SMRs - it gives you the 0.750" offset that you need, and allows you more freedom to switch back and forth between 1.5" and .5" SMR targets. It also gives you more flexibility when using a calibration ball bar which only has adapters for 1.5" SMRs.

The centerpoint of a 0.5" diameter SMR is held precisely 0.75" or 19.05mm above the surface of the part being measured. The SMR seats on a conical land and is held in place by a magnet.

Specifications Tolerance: 0.5" SMR held to center of 1.5" diameter ball within ±0.00025" (0.006mm)


Hardness: HRC 56-61

May be used with...

Holds any 0.5" diameter SMR Fits in any 1.5" SMR nest

45

0.5THW Weld-on SMR Adapters

Weld-on adapters for permanent fixture use The 0.5THW magnetic adapter is meant to be welded permanently in place on any customer fixture. A substantial chamfer around the bottom edge makes for a nicer weld. This item is not hardened like most of our other adapters, and is available in a variety of different materials (see table below). Place it on your fixture in any desired location, add a few weld tacks around the perimeter, and you have a permanent SMR reference. Think of it as a non-drifting drift nest.

The adapter holds the centerpoint of a 0.5" diameter SMR 0.5" above the surface of the part, although this dimension is not critically controlled because this adapter is simply meant to establish a permanent reference point. The SMR locates on a conical land.

The magnets are provided (one per adapter) but not installed. This is so that you can heat treat the entire fixture after all adapters are welded on (if desired) without affecting the magnetism of the magnets. When ready, the magnets may be installed in the magnet well. We recommend securing the magnets using an adhesive for extra security. Of course, this is mandatory for 0.5THW products constructed from non-magnetic materials. (Hint: don't do this until you are finished with your processing - sometimes they're very hard to get back out!)

Construct the desired part number using the table below, indicating desired material. Please note that other materials are available upon request.


Material A

6061 Aluminum 6061

7075 Aluminum 7075

1144 Steel 1144

17-4 Stainless 174

303 Stainless 303

Specifications

Adapter dia: 0.750" (19.1mm)

Material: See table above Any 0.5" diameter SMR

May be used with...

46

0.5THV Series Vector Target Adapter

Use two target points to define a lineThe 0.5THV Series creates a vector by using two target locations, precisely on the centerline of the adapter. Using most any software, it is easy to locate the point on the centerline of the shank which lies on the surface of the object being measured. This adapter may be used to create vector lines to evaluate "remote" target points (e.g., a critical point downrange on a hinge line). It is also handy when you suspect that the target hole may not be drilled square to the surface.

Refer to the part number configuration information below. Pick a low offset, a high offset, and a shank diameter which specifies your desired item. For example, 0.5THV-.375-.750-.25.

Note that we cannot show all possible options - if you don't see exactly what you want, make up your own part numbers using the configuration information below.


Low Offset A0.3125" .31250.375" .3750.500" .50.625" .6258mm 8MM10mm 10MM12mm 12MM14mm 14MM16mm 16MM

You specify Note 1

High Offset B0.750" .751.000" 11.250" 1.251.500" 1.52.00" 225mm 25MM30mm 30MM40mm 40MM60mm 60MM

You Specify Note 2

Shank dia. C1/8" .1251/4" .253/8" .375 1/2" .5 3/4" .75 4 mm 4MM6 mm 6MM8 mm 8MM10mm 10MM

You Specify Note 3

Note 1: Minimum value for A (low offset) is 0.3125" or 8mm.Note 2: Maximum value for B (high offset) is 2.875" or 73mm. Not all high offsets are compatible with all low offsets.Note 3: Minimum shank diameter is 0.100" (3mm). Maximum shank diameter is 0.750" (19mm)


Specifications

Adapter dia (main body): 1" (25.4mm)




Hardness: HRC 42-45

May be used with...

47

0.5THMF SMR Adapter

0.5" Adapter for THMF Floor Mount The 0.5THMF adapter is designed to work with the THMF mini floor-mount base, giving you a permanent target location in the floor or wall. Following initial installation of the THMF base unit, this adapter may be installed and surveyed for its actual coordinates using a 0.5" SMR. The adapter may be removed and reinstalled in the base, maintaining target position tolerance. Therefore you can quickly re-establish coordinate systems in the future by providing known, permanent reference points. This system may also be used without an initial survey to provide permanent coordinate system transfer points. Or, use them to monitor the movement of foundations or other features over time by checking for deviation from originally mapped coordinates.

An aggressive knurl around the circumference of the adapterassists with easy installation and removal from the THMF base. The1/4" shank with internal 6-32 tapped hole mates securely with thebase unit, positively locking the adapter in place. The 0.5" SMRseats on a conical land and is held firmly in place by a magnet.

Specifications

Adapter size: 0.500" (12.7mm) diameter

Offset: 0.6250 ±0.0005" (±0.013mm)

Target Centering Tolerance: ±0.0005"

Material: Stainless steel, machine finish

Hardness: HRC 42-45

May be used with...

Any 0.5" dia. SMR THMF Floor Mount

48

0.5INV Series SMR Adapter

Use an SMR target with your Invar System

The 0.5INV Series magnetic adapters provide an SMR nest which fits on any of our Invar System bars. With both English and metric versions available, the center point of a 0.5" diameter SMR may be held at a specified distance from the end of the Invar bar. Different models have different offsets (see table below). The SMR seats on a conical land and is held in place by a magnet. The adapter's threaded mount is 3/8"-24 for compatibility with our Invar system.



0.5INV-.5 0.500" ±0.0005"0.5INV-1 1.000" Ñ0.0005"

0.5INV-12MM 12mm ±0.013mm0.5INV-25MM 25mm ±0.013mm

Specifications


May be used with...

Any 0.5" diameter SMR Our Invar System tubing

49

0.5TH-M Series Magnetic Base SMR Adapters

For a more secure hold on reality The 0.5TH-M Series magnetic adapters provide all the features of our 0.5TH Series, with the addition of three magnets on the bottom surface of the adapter. These magnets provide extra holding force if the adapter is placed into a hole in a ferrous material. Various diameters and offsets are available - see instructions below regarding how to construct the part number for the item you want.

Provide any "A" value and pair it with your desired "B" value to create the part number for the product that you want. See table at right for possible range of "B" values.

Offset A

0.500" .51.000" 110mm 10MM12mm 12MM25mm 25MM

Shank diameter B

Can be up to 0.5000". E.g., desired diameter of 0.3750" gives

a part number of 0.5TH-M-1-.375

Can be up to 12 mm, in integral millimeters. E.g., desired diameter

of 8mm gives a part number of 0.5TH-M-25MM-8MM

Specifications

Adapter dia: 1" (25.4mm) Offset tolerance: ±0.0005" (±0.013mm)




May be used with...

50

THIP Target Holder withInterchangeable Pins

Reduce inventory, cost, and inspection time

The THIP is handy for people who want to put 0.5" and 1.5" SMRs in the same locations. You get multiple pin nests in one flexible solution. You can work more quickly, and at a lower cost than two comparable sets of pin nests. Reduce time spent making pin nest changes and keeping track of inventory.

The kit contains four "base" pin nests that can hold a 0.5" SMR. Additionally there is a uniquely crafted 1.5" SMR adapter that fits with fine-tuned precision over the base pin nests, transforming them into a 1.5" SMR target holder. This larger adapter has three bottom-mounted magnets as well as an air release to make removal from the base adapters easy.

The kit comes with a custom, light-weight plastic case (below, left). Need additional shank sizes? We can customize the base target holders to your specifications and add them to your kit. The case holds up to four additional base units.

Kits are available in English (order item THIP-E) or Metric units (order item THIP-M).

51

THIP-Econtains these four base target holders:

Base Shank Dia. (A)

Offset to 0.5" SMR (B)

Offset to 1.5" SMR (C)

#1 0.2500" 0.500" 1.300"#2 0.3125" 0.500" 1.300"#3 0.3750" 0.500" 1.300"#4 0.5000" 0.500" 1.300"

THIP-Mcontains these four base target holders:

Base Shank Dia. (A)

Offset to 0.5" SMR (B)

Offset to 1.5" SMR (C)

#1 6mm 12mm 35mm#2 8mm 12mm 35mm#3 10mm 12mm 35mm#4 12mm 12mm 35mm

Specifications

Adapter dia:Base target holders: 0.700" (17.78 mm)Large target holder: 1.6" (40.6mm)

Target centering tolerance:Base target holders: ±0.0005" (±0.013mm)Large target holder: ±0.0012" (±0.030mm)


Shank diameter tolerance:-0.0001" to -0.0005" (-0.003mm to -0.013mm)

Offset tolerance for all target holders:±0.0005" (± 0.013mm)

Hardness: HRC 42-45

Case Dimensions: 9" x 8" x 4"

Weight: 2.2 lbs (.98kg) with case

May be used with...

Any 0.5" or 1.5" diameter SMR

52

BXT Series Bar Extensions

Allows use of sphere-fit routines for hard-to-target points The BXT Series Bar Extensions are used in conjunction with the Tooling Ball Adapters (TBA) or Bar Points (BP) on one end, and various SMR holders having a mating shank (1/4" or 6mm) on the other. This type of assembly (see photo below) is often used to locate and specify points using sphere-fit routines*. Use our BP point with the BXT bars when targeting scribe lines or other points of interest on surfaces or contours. Then replace the BP with our TBA adapter to target the centers of tooling balls. Or, use this assembly and the sphere-fit procedure with our Construction Tooling Ball (TB) targeting accessory. This technique is especially useful when the desired targets are obscured from view. It allows you to avoid making additional tracker moves and subsequent rebundles, thereby saving time and potential error buildup. These adapters make more efficient use of your laser tracker equipment while maintaining the accuracy needed for most tasks.

English or metric bars are available, having, respectively, 1/4" or 6mm shanks and matching 1/4" or 6mm precision bores on the opposite end of the bar. All shanks are drilled and tapped with a 6-32 internal thread. The shank then mates with the connecting screw on the inside of an TBA or BP tip, again assuming that English and metric tips are matched with English and metric bars, respectively. Both tips are seen in the photo at left. The precision bore on the opposite end will accept SMR nests which have a matching shank diameter (1/4" or 6mm), such as 1.5TH-1-.25 or 1.5TH-25MM-6MM. These accessories are held in place with a radially-mounted, nylon-tipped setscrew.

* A "sphere fit rod" assembly (right) may be constructed from a BXT bar, an SMR adapter, and a BP Bar Point or a TBA Tooling Ball Adapter. It is used to measure a number of points which are all a given distance away from one particular point of interest, making that point of interest the center of an arbitrary sphere. Then, a sphere-fit routine is commonly used to calculate that center point.

53

BP Bar Point TBA Tooling Ball Adapter 1.5TH-x-.25, 0.875TH-x-.25, or 0.5TH-x-.25 (may be used with BXT-5 and BXT-10) 1.5TH-x-6MM, 0.875TH-x-6MM, or 0.5TH-x-6MM (may be used with BXT-125 and BXT-250)

Model Length "A" Dia. "D" BXT-5 5.0000" 0.250"BXT-10 10.0000" 0.250"BXT-125 125mm 6mmBXT-250 250mm 6mm

Specifications

Tolerance, precision bore: +0.0005", −0.0000" (+0.013, -0.000mm) Tolerance, shank: +0.0000", −0.0005" (+0.000mm, −0.013mm)

Tolerance, length: ±0.0005" (±0.013mm) Material: Stainless Steel Hardness: HRC 42-45

May be used with...

54

TB Series Construction Tooling Ball

Find hole centers easily with this reference artifact The TB Series construction balls are used for applications requiring a 1/2" (English version) or 12mm (metric version) reference ball located a known distance from a surface, or on the centerline of a hole. The shank diameter is held to very close tolerances for a precision slip fit into our BXT extension bar or customer-provided tools. Various offset dimensions and shank diameters are available. Choose from the available sizes shown in the table below. Note: This product is not recommended for use as a target with scanner systems. Instead, we offer our TBHR Series of highly reflective tooling balls.

Part No. Ball Dia.Offset

"A" Shank

Dia. "B" Length

"L" Internal Thread*

TB-.3125-.25 0.500" 0.3125" 0.250" 0.63" 6-32 UNC

TB-.5-.25 0.500" 0.500" 0.250" 0.94" 6-32 UNC

TB-.5-.3125 0.500" 0.500" 0.3125" 0.94" 6-32 UNC

TB-.5-.375 0.500" 0.500" 0.375" 1.50" n.a.

TB-12MM-6MM 12mm 12mm 6mm 22.10mm n.a.

*Not all items have an internally threaded shank

Specifications

Concentricity between ball and shank: 0.0002" TIR (0.005mm TIR) Tolerance, shank diameter: +0.0000", −0.0004" (+0.000mm, −0.010mm) Tolerance, offset dimension: ±0.0002" (±0.005mm)

Ball diameter tolerance: +0.0000", −0.0004" (+0.000mm, −0.010mm) Material: 1144 steel

Hardness: HRC 54-56

May be used with...

12410-G2 Concave tip for Invar system (TBs having 0.5" diameter ball only)

BXT Series extension bars (be sure to match BXT bar to your TB, some TBs do not fit some BXTs)

TBA Series (be sure to match TBA adapters to your TB, some TBs do not work with some TBAs)

55

BP Series Bar Points

Target scribe lines or other points of interest

The BP Series Bar Points are used in conjunction with our BXT Series extension bars and various SMR holders having 1/4" or 6mm shafts. This type of assembly (see photo below) is often used to locate and specify various points using a sphere-fit routine*. The BP is handy for targeting scribe lines, edges, or other points of interest on surfaces or contours. It is especially useful for measuring points which are obscured from view. Using the BP with its targeting assembly to measure hidden points allows you to avoid making additional tracker moves and subsequent rebundles, thereby saving time and potential error buildup. These adapters make more efficient use of your laser tracker equipment while maintaining the accuracy needed for most tasks.

The BP includes a 6-32 set screw at the bottom of the hole (see sketch at left). This is used to secure the BP to our BXT extension bars. Be sure to match the BP unit type with BXT unit type (English or metric).

*A "sphere fit rod" assembly (right) may be constructed from a BXT extension bar, an SMR adapter, and a BP Bar Point. It is used to measure a number of points which are all a given distance away from one particular point of interest, making that point of interest the center of an arbitrary sphere. Then, a sphere-fit routine is commonly used to calculate that center point. In the picture, the BP is centered on a scribe line.

Model "A" Offset "D" Dia. BP-1 1.000" .2500"

BP-25MM 25mm 6mm

Specifications

Hole tolerance: +0.0005", −0.0000" (+0.013mm, −0.000mm) Length tolerance: ±0.0005" (±0.013mm)

Material: Stainless Steel Hardness: HRC 42-45

May be used with...

BXT Series Extension Bars

56

THB Series Target Holder Bushings

Get more measurement flexibility The THB Series Target Holder Bushings are great for converting targeted holes to the shank size of your SMR adapters. Slip this precision bushing into the hole you wish to target, and the new bore diameter will fit the SMR adapter, holding it on center of the original hole.

Choose an "A" value from the table below, and pair with a "B" value to create the item number for the product that you want, for example, THB-.375 -.25. Or, use this part number format to describe your own custom size bushing.

Outer dia. A D Outer dia. A D

0.2500" .25 0.625" 8mm 8MM 18mm0.3125" .3125 0.688" 10mm 10MM 20mm0.3750" .375 0.750" 12mm 12MM 22mm0.4375" .4375 0.813' 14mm 14MM 24mm0.5000" .5 0.875" 16mm 16MM 26mm0.6250" .625 1.000" 18mm 18MM 28mm0.7500" .75 1.125" 20mm 20MM 30mm1.0000" 1 1.375" 22mm 22MM 32mm


Bore dia. B

0.1875" .18750.2500" .25

4mm 4MM

Specifications

OD tolerance: +0.0000", −0.0005" (+0.000mm, −0.013mm) ID tolerance: +0.0005", −0.0000" (+0.013mm, −0.000mm)

Flange thickness: 0.200" ±0.0005" for English; 5mm ±0.013mm for metric Material: Stainless Steel Hardness: HRC 42-45

May be used with...

1.5TH-x-.25 (with 1/4" shank) 0.875TH-x-.25 (with 1/4" shank)

0.5TH-x-.25 (with 1/4" shank) Any SMR adapter or targeting aid with a 1/4"

shank

57

TBA Series Tooling Ball Adapters

When you need to reference a tooling ball The TBA Series Tooling Ball Adapters are used in conjunction with our BXT Series extension bars and various SMR holders having 1/4" or 6mm shafts. This type of assembly (photo below) is often used to locate and specify points using a sphere-fit routine*. The TBA is handy for targeting tooling balls such as our TB. It is especially useful for measuring points which are obscured from view. Using the TBA (with its targeting assembly) on hidden points helps you avoid making unnecessary tracker moves and subsequent rebundles, thereby saving time and potential error buildup. These adapters make more efficient use of your laser tracker equipment while maintaining the accuracy needed for most tasks.

* A "sphere fit rod" assembly (right) may be constructed from a BXT Extension Bar, an SMR adapter, and an TBA Tooling Ball Adapter. It is used to collect points which are all a given distance away from one particular point, making that point the center of an arbitrary sphere. Then, a sphere-fit routine is used to determine that center point. Above, the TBA is held against a tooling ball.

The TBA has a 6-32 set screw at the bottom of the hole (seesketch at left). This is used to secure the TBA to our BXTextension bars. Be sure to choose a TBA having the same units(English or metric) as your BXT bar.

Model "A" Offset "D" Dia. Sphere dia."C"

TBA-1 1.000" 0.2500" 0.5000"TBA-25MM 25mm 6mm 12mm

58

Specifications

Tolerance, precision hole dia.: +0.0005", −0.0000" (+0.013mm, −0.000mm) Tolerance, offset "A": ±0.0005" (±0.013mm)

Material: Stainless Steel Hardness: HRC 42-45

BXT Series Extension Bars TB (0.5" or 12mm construction tooling ball) Any 1/2" or 12mm tooling ball, depending upon TBA version (English or metric)

May be used with...

59

0.5RH SMR "Handle"

To help hold and place 0.5" SMRs

0.5" SMR

The 0.5RH "handle" gives you a way to handle those small - and easily dropped - 0.5" SMRs. A magnet secures the SMR to the end of the handle, and the 4" rubberized grip gives you something to hold on to. Note: this tool is designed to increase your dexterity and "drop" safety factor when moving and placing 0.5" SMRs - but it's not a foolproof guarantee! We always recommend care when handling SMRs.

Specifications

Material: Stainless steel with rubberized grip Length: 4" (10.2cm)

May be used with...

60

1.5LK-P Basic Lanyard Kit

Protect your SMR investment

The 1.5LK-P basic lanyard kit helps to protect your SMRs from the undesirable consequences of high speed descents caused by gravity. The kit gives you the ability to secure the SMR to your wrist as you work. A small gauge, jacketed wire cable provides ample strength and security. The cable and other components of the kit are outfitted with quick release fittings. Two SMR collars are provided; one each for PLX and ProSystems SMRs. Similar kit 1.5LK-F provides not only wrist strap protection but the ability to secure the SMR to various target holder nests as well.

Kit Contents

Wrist strap (Velcro®) Collar for PLX SMR Collar for ProSystems SMR 8" quick release cable

May be used with...

1.5" PLX or ProSystems SMR

61

1.5LK-F Deluxe Lanyard Kit

Protect your SMR investment The 1.5LK-F deluxe lanyard kit helps to prevent your expensive SMR from taking a header onto that soft concrete floor below. The kit gives you everything required to secure the SMR either to your wrist or to many of our magnetic target holder nests. Small gauge, jacketed wire cables (two different lengths) provide ample strength and security. The cables and all other components of the kit are outfitted with quick release fittings, providing configuration flexibility. Two SMR collars are provided; one each for PLX and ProSystems type SMRs. Two target holder collars are also provided. One has a 1.6" I.D. (fits many of our 1.5" SMR target holders) and the other has a 2" I.D. (fits target holders such as our 1.5THDN drift nests). Similar kit 1.5LK-P provides wrist strap protection only.

Kit Contents

Wrist strap (Velcro®) Collar for PLX SMR Collar for ProSystems SMR 1.6" diameter nest collar 2" diameter nest collar 8" quick release cable 14" quick release cable

May be used with...

1.5" PLX or ProSystems SMRs Any 1.6" diameter target holder nest Any 2" diameter target holder nest

62

1.5ADP-RPR Series Probe Adapters

Make any 1.5" SMR Nest into a Spherical Probe Receiver The 1.5ADP-RPR probe adapters give you the ability to measure the location of a 1.5" SMR nest with a portable CMM measuring system. The adapter is a partial 1.5" diameter ball, precisely machined to hold the center of a spherical probe tip at exactly the same point in space as the center of the 1.5" SMR. This allows you to accurately measure the positions of nests and target mounts designed for 1.5" SMRs.

The 1.5ADP-RPR comes in handy if you are required to use multiple measuring systems on one job, cannot obtain line-of-sight with a laser, or only have access to a portable CMM. The center point of the probe's spherical tip is held precisely 0.75" or 19.05mm above the surface of the part being measured. To construct the appropriate part number, substitute the diameter of your probe for "A" in the legend shown below. E.g., to fit a 3mm probe, the part number would be 1.5ADP-RPR-3.

Cutaway view (above) shows 1.5ADP-RPR probe adapter sphere with tip of portable CMM probe (in red) located at the center of the sphere.


Specifications

Tolerance: Holds spherical probe tip to center of 1.5" (38.1mm) diameter ball within ±0.00025” (±0.006mm)

Adapter Dia.: 1.5" (38.1mm)


Hardness: HRC 56-61

May be used with...

Fits in any 1.5" SMR nest

63

0.5THC SMR Retainer Clamps

SMR retainers with vertical or horizontal freedom of motion Our 0.5THC-V (vertical) and 0.5THC-H (horizontal) SMR retaining clamps gives you another way to protect those valuable SMRs from damage. Put the SMR in the target nest, then slip the retainer over the SMR. Then use the flat-tipped M3 set screws to secure the clamp to the target holder. The 0.5THC-H clamps allow the SMR to rotate horizontally, with a 200° range of motion. The 0.5THC-V clamps allow the SMR to rotate vertically, with a 90° range of motion (allowing the SMR to point straight up). All 0.5THC models fit 0.5" SMRs, but the diameter of the pin nest must also be considered when choosing the desired model (see table below).

0.5THC-H

The 0.5THC-H (left) captures the SMR but allows it to rotate horizontally. The 0.5THC-V (right) captures the SMR but allows it to rotate vertically.

ModelFor SMR

SizeFor target holder dia.

0.5THC-V-.5 0.5" 0.5" 0.5THC-H-.5 0.5" 0.5"0.5THC-V-.75 0.5" 0.75"0.5THC-H-.75 0.5" 0.75"

0.5THC-V

Specifications Set screws: M3 (2 each)

Range of SMR rotation: 200° for horizontal ("-H") models; 90° for vertical ("-V") models

Material: Aluminum (no finish)

Physical size

Model Dia. [mm] Height [mm]0.5THC-V-.5 0.75" [19] 0.5" [12.7]0.5THC-H-.5 0.75" [19] 0.69" [17.5]0.5THC-V-.75 1" [25.4] 0.5" [12.7]0.5THC-H-.75 1" [25.4] 0.69" [17.5]

0.5THC-.5 models retain a 0.5" diameter SMR mounted in a nest having a 0.5" diameter 0.5THC-.75 models retain a 0.5" diameter SMR mounted in a nest having a 0.75" diameter

May be used with...

64

1.5THC SMR Retainer Clamps

SMR retainers with vertical or horizontal freedom of motion Our 1.5THC-V (vertical) and 1.5THC-H (horizontal) SMR retainer clamps give you another way to protect those valuable SMRs from damage. Put the SMR in the target nest, and slip the retainer over the SMR. Then use the flat-tipped M3 set screws to firmly secure the retainer to the target holder. The 1.5THC-H clamps allow the SMR to rotate horizontally, with a 200° range of motion. The 1.5THC-V clamps allow the SMR to rotate vertically, with a 90° range of motion (allowing the SMR to point straight up). All 1.5THC models are designed to retain 1.5" SMRs in nests which have a 1.6" diameter.

1.5THC-H

The 1.5THC-H (left) captures the SMR but allows it to rotate horizontally. The 1.5THC-V (right) captures the SMR but allows it to rotate vertically.

1.5THC-V

Specifications

Set screws: M3 (3 each)

Range of SMR rotation: 200° for 1.5THC-H; 90° for 1.5THC-V

Material: Aluminum (no finish)

Physical sizeModel Dia. [mm] Height [mm]

1.5THC-V 1.85" [47] 1.3" [33]1.5THC-H 1.85" [47] 1.75" [44.4]

Any 1.5" diameter SMR in a nest having a 1.6" diameter. This includes most of our target holders which are designed for 1.5" SMRs.

May be used with...

65

THK-CE Combination 0.5" and 1.5"Target Holder Kit

Everything you need at your fingertipsOur THK-CE target holder kit contains a collection of our most popular and widely used target holders. This kit combines target holders for 0.5" SMRs and target holders for 1.5" SMRs to give you the additional flexibility. The kit includes a variety of target holders for measuring holes, edges, corners, surfaces, diameters, and more.

All target holders with critical dimensions are Certified and Serialized, verifiable by the included certificate. See content listing in the table below.

Left: The kit components come in a foam-lined, waterproof case.

Qty Model Description Qty Model Description10 0.5THDN 0.5" Drift nest 10 1.5THDN 1.5" Drift nest1 0.5TH-.5-.1875 0.5" Target holder 1 1.5TH-1-.1875 1.5" Target holder1 0.5TH-.5-.25 0.5" Target holder 1 1.5TH-1-.25 1.5" Target holder1 0.5TH-.5-.375 0.5" Target holder 1 1.5TH-1-.375 1.5" Target holder1 0.5TH-.5-.4375 0.5" Target holder 1 1.5TH-1-.4375 1.5" Target holder1 0.5TH-.5-.5 0.5" Target holder 1 1.5TH-1-.5 1.5" Target holder1 0.5THE-M-.5 0.5" Edge Adapter 1 1.5THLE-1 1.5" Large Edge Adapter

1 0.5THS-.5 0.5" Shankless Target Holder 1 1.5THS-1 1.5" Shankless Target

Holder

1 0.5THV-.4375-1.6875-.25 0.5" Vector Target 1 BP-1 Bar Point

1 1.5ADP-.5 0.5" to 1.5" SMR Adapter 1 BXT-10 10" Bar extension

1 0.5RH 0.5" SMR handle 1 8001-4 1/16" Hex Allen wrench

Approx weight: Case and contents, 8 lbs (3.6 kg)

Case: Foam-lined, injection molded, waterproof

Specifications

Any 0.5" SMR Any 1.5" SMR

May be used with...

66

THK-CM Combination 0.5" and 1.5"Metric Target Holder Kit

Everything you need at your fingertipsOur THK-CM metric target holder kit contains a collection of our most popular and widely used target holders. This kit combines target holders for 0.5" SMRs and target holders for 1.5" SMRs to give you the additional flexibility. The kit includes a variety of target holders for measuring holes, edges, corners, surfaces, diameters, and more.


Left: The kit components come in a foam-lined, waterproof case.

Qty Model Description Qty Model Description10 0.5THDN 0.5" Drift nest 10 1.5THDN 1.5" Drift nest1 0.5TH-12MM-6MM 0.5" Target holder 1 1.5TH-25MM-6MM 1.5" Target holder1 0.5TH-12MM-8MM 0.5" Target holder 1 1.5TH-25MM-8MM 1.5" Target holder1 0.5TH-12MM-10MM 0.5" Target holder 1 1.5TH-25MM-10MM 1.5" Target holder1 0.5TH-12MM-12MM 0.5" Target holder 1 1.5TH-25MM-12MM 1.5" Target holder1 0.5THE-M-12MM 0.5" Edge Adapter 1 1.5THLE-25MM 1.5" Large Edge Adapter

1 0.5THS-12MM 0.5" Shankless Target Holder 1 1.5THS-25MM 1.5" Shankless Target

Holder

1 0.5THV-.4375-1.6875-6MM 0.5" Vector Target 1 BP-25MM Bar Point

1 1.5ADP-.5 0.5" to 1.5" SMR Adapter 1 BXT-250MM 250mm Bar extension

1 0.5RH 0.5" SMR handle 1 8001-4 1/16" Hex Allen wrench



Specifications

Any 0.5" SMR Any 1.5" SMR

May be used with...

67

THK-1.5E 1.5" Target Holder Kit

Everything you need at your fingertips

Our THK-1.5E target holder kit contains a collection of our most popular and widely used target holders. This kit contains target holders for 1.5" SMRs. The kit includes a variety of target holders for measuring holes, edges, corners, surfaces, diameters, and more.


Left: The kit components come in a customizable, foam-lined, waterproof case.

Qty Model Description Qty Model Description10 1.5THDN 1.5" Drift nest 1 1.5THLE-1 1.5" Edge Adapter1 1.5TH-1-.1875 1.5" Target holder 1 1.5THS-1 1.5" Shankless Target Holder1 1.5TH-1-.25 1.5" Target holder 1 BP-1 Bar Point1 1.5TH-1-.375 1.5" Target holder 1 BXT-10 10" Bar extension1 1.5TH-1-.4375 1.5" Target holder 1 8001-4 1/16" Hex Allen wrench1 1.5TH-1-.5 1.5" Target holder



Specifications

Any 1.5" SMR

May be used with...

68

THK-1.5M 1.5" Metric Target Holder Kit


Our THK-1.5M metric target holder kit contains a collection of our most popular and widely used target holders. This kit contains target holders for 1.5" SMRs. The kit includes a variety of target holders for measuring holes, edges, corners, surfaces, diameters, and more.


Left: The kit components come in a customizable, foam-lined, waterproof case.

Qty Model Description Qty Model Description10 1.5THDN 1.5" Drift nest 1 1.5THLE-25MM 1.5" Edge Adapter1 1.5TH-25MM-6MM 1.5" Target holder 1 1.5THS-25MM 1.5" Shankless Target Holder1 1.5TH-25MM-8MM 1.5" Target holder 1 BP-25MM Bar Point1 1.5TH-25MM-10MM 1.5" Target holder 1 BXT-250MM 250mm Bar extension1 1.5TH-25MM-12MM 1.5" Target holder 1 8001-4 1/16" Hex Allen wrench



Specifications

Any 1.5" SMR

May be used with...

69

THK-.5E 0.5" Target Holder Kit


Our THK-.5E target holder kit contains a collection of our most popular and widely used target holders. This kit contains target holders for 0.5" SMRs. The kit includes a variety of target holders for measuring holes, edges, corners, surfaces, diameters, and more.


Left: The kit components come in a customizable foam-lined, waterproof case.

Qty Model Description Qty Model Description10 0.5THDN 0.5" Drift nest 1 0.5THS-.5 0.5" Shankless Target Holder

1 0.5TH-.5-.1875 0.5" Target holder 1 0.5THV-.4375-1.6875-.25 0.5" Vector Target

1 0.5TH-.5-.25 0.5" Target holder 1 1.5ADP-.5 0.5" to 1.5" SMR Adapter1 0.5TH-.5-.375 0.5" Target holder 1 0.5RH 0.5" SMR handle1 0.5TH-.5-.4375 0.5" Target holder 1 BP-1 Bar Point1 0.5TH-.5-.5 0.5" Target holder 1 BXT-10 10" Bar extension1 0.5THE-M-.5 0.5" Edge Adapter 1 8001-4 1/16" Hex Allen wrench



Specifications

Any 0.5" SMR

May be used with...

70

THK-.5M 0.5" Metric Target Holder Kit


Our THK-.5M metric target holder kit contains a collection of our most popular and widely used target holders. This kit contains target holders for 0.5" SMRs. The kit includes a variety of target holders for measuring holes, edges, corners, surfaces, diameters, and more.


Left: The kit components come in a customizable foam-lined, waterproof case.

Qty Model Description Qty Model Description

10 0.5THDN 0.5" Drift nest 1 0.5THV-.4375-1.6875-6MM 0.5" Vector Target

1 0.5TH-12MM-6MM 0.5" Target holder 1 1.5ADP-.5 0.5" to 1.5" SMR Adapter

1 0.5TH-12MM-8MM 0.5" Target holder 1 0.5RH 0.5" SMR handle1 0.5TH-12MM-10MM 0.5" Target holder 1 BP-25MM Bar Point1 0.5TH-12MM-12MM 0.5" Target holder 1 BXT-250MM 250mm Bar extension1 0.5THE-M-12MM 0.5" Edge Adapter 1 8001-4 1/16" Hex Allen wrench

1 0.5THS-12MM 0.5" Shankless Target Holder



Specifications

Any 0.5" SMR

May be used with...

71

1.5LTE-1000MMLow Thermal Expansion Scale Bar

40% Reduction in Thermal Expansion Over InvarOur 1.5LTE-1000MM Low Thermal Expansion Length Reference Bar provides a stable length for use during laser tracker or scanner jobs. Its unique design uses specially designed end caps which counteract length changes in the bar due to thermal growth. This provides a virtually constant length through a wide working temperature range. Testing has shown that the 1.5LTE-1000MM has a thermal stability 40% better than invar.

The target holders on each end are positioned off-axis, and allow 360° rotation of the SMR, adding application flexibility. You can place the reference bar in relevant positions in the measurement volume for scaling, consistency, and stability checks during a job. Or, you can align the bar with your tracker's beam, and use the interferometer alone to compare against the bar's length (with no Az or El encoder contributions to error)

The 1.5LTE-1000MM consists of a single length of invar tubing with two permanently mounted aluminum end caps, each with a 1.5INV magnetic SMR nest (SMRs not included).

This item is available in a 1 meter length (target center to target center). Actual length will be within ±1/32" (0.79mm) of 1 meter, but our calibration laboratory will provide a certificate with NIST-traceability indicating the actual length of the assembly within ±0.0001" (0.003mm). Patent pending.

72

Any 1.5" SMR

How does it work?

The LTE bar maintains a very low coefficient of expansion by virtue of its unique design. Invar, already a very thermally stable material, is used as the main component. Aluminum end caps are permanently mounted to the ends of the invar bar, with an SMR target nest situated inboard from the end of the bar. The bar and the end cap both expand/contract with temperature increases/decreases. However, when the bar lengthens and moves the target nests further apart, the end caps also expand, moving the target nests back together again. The location of the nests is precisely calculated so that the change in invar and changes in the end cap lengths tend to cancel each other out.

Specifications Length Accuracy: Bar will be within ±1/32" (0.79mm) of length requested. However, NIST-traceable certification of actual bar length to ±0.0001" (0.003mm).

Main body: Single invar tube with oil and stain resistant PVC jacket.

Case: High impact ABS plastic, with contour-cut foam cushion interior.

End caps: Permanently mounted black anodized aluminum, with fixed 1.5INV SMR target holder.

Weight: bar alone, 3.7 lbs (1.7 kg); bar and case, 9 lbs (4.1kg).

May be used with...

73

1.5LRB Length Reference Bar

Use an Invar length reference bar with your tracker Our 1.5LRB Length Reference Bar provides a NIST-traceable length for use during laser tracker or scanner jobs. Use it to establish system scale when using single measuring instruments or when bundling multiple instruments together. Or use it to verify system accuracy and stability during a measurement job. Many of our customers shoot a length reference bar at the beginning, middle, and end of a job to gain confidence that nothing moved or changed during the shoot.

The 1.5LRB consists of a single length of our Invar tubing outfitted with two permanently mounted, 1.5INV magnetic SMR nests for a 1.5" SMR. (SMRs not included.) Also included are two 15199 Invar system "feet", positionable at your discretion.

Deviation in length of 80" reference bar at various temperatures

Temp °F Steel Aluminum Invar 40° -0.0180" -0.0292" -0.0015" 50° -0.0116" -0.0188" -0.0010" 60° -0.0052" -0.0084" -0.0004" 68°

(std. temp) ±0.0000" ±0.0000" ±0.00000"

70° +0.0012" +0.0020" +0.0001" 80° +0.0076" +0.0124" +0.0007" 90° +0.0140" +0.0228" +0.0012"

The 1.5LRB is available in customer-specified lengths, English or metric (90" or 2.3m maximum). Actual length will be within ±1/32" (0.8mm) of requested length, but our calibration lab will provide a certificate with NIST-traceability indicating the actual length of the assembly within ±0.0001" (0.003mm).

Invar is an excellent material for this application due to its extreme stability over a wide temperature range. Take a look at the table at left to see the stability of Invar reference bars compared with other materials.

Note: If you don't need NIST-traceability of a given dimension, but just require a consistent length for system checks, you may want to build your own reference bar using our Invar system and related targets.

74

Specifications

Length accuracy: NIST-traceable certification to ±0.0001" (0.003mm); length of bar will be within ±1/32" (0.79mm) of requested length.

Maximum length: 90" (2.3m)

May be used with...

Any 1.5" SMR

75

Helping the World Measure

Since 1927

Quick order turnaround - credit cards accepted

Why buy Brunson target holders?

100% Certified and serialized, each verified by a certificate

Stainless steel to reduce corrosion

Hardened to Rockwell 44 to reduce wear

No oxides or coatings to wear off and reduce accuracy

Custom requests are our specialty

Copyright 2013 Brunson Instrument Company

Brunson Instrument Company8000 E. 23rd Street

Kansas City, MO 64129

Toll free 1-877-632-7873(1-877-MEASURE)

www.brunson.us

E-mail: [email protected]

Brunson Instrument Company6 Micklehead Business Village

St. Michaels RoadLea Green, St. Helens

WA9 4YUUK

Tel: +44 (0)1744 813 100Mobile: +44 (0)7980 772 340


http://www.brunson.us

brunson target holders & accessories catalog

Documents

magnetic smr adapter

thppole adapter

adapter material

thdndrift nest

thdn drift nest

target kit metrictracker

diameter smr

thndnnegative drift